| Patents for C21D 1 - General methods or devices for heat treatment, e.g. annealing, hardening, quenching, tempering (27,435) |
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| 04/24/2013 | CN103056213A Device and method for thermoforming and cutting a sheet material in a tool and taking out waste parts |
| 04/24/2013 | CN103056212A Tool and method for thermoforming and cutting sheet material |
| 04/24/2013 | CN103056176A Method and device for blowing gas on running strip |
| 04/24/2013 | CN102409259B Alloy steel for braking caliper and preparation method thereof |
| 04/24/2013 | CN102352465B Superhigh strength cast steel, and preparation method and welding process thereof |
| 04/24/2013 | CN102312172B B3R hot work die steel with high strength and toughness and resistance to tempering, and preparation process thereof |
| 04/24/2013 | CN102248360B Manufacturing method of vehicle frame longitudinal beam and vehicle frame longitudinal beam manufactured by same |
| 04/24/2013 | CN102191444B Stress-relaxation shaping method for complicated irregular-shaped integrated wallboard |
| 04/24/2013 | CN102174936B Slide block for rotary type compressor and manufacturing method thereof |
| 04/24/2013 | CN102168222B High-hardness alloyed nodular iron die material and preparation method thereof |
| 04/24/2013 | CN102115812B Prompt tempering heat treatment method for Q690D steel |
| 04/24/2013 | CN101981302B Process for producing common rail, and common rail |
| 04/24/2013 | CN101886211B Special grinding ball of titanium dioxide and preparation method thereof |
| 04/24/2013 | CN101876030B Low alloy steel used for making track board of crawling crane and preparation method thereof |
| 04/23/2013 | US8425699 Swash plate type piston pump motor and method for manufacturing the same |
| 04/23/2013 | US8425690 Carbonitriding steel at a temperature exceeding A1 transformation temperature; cooling to below A1 transformation temperature; reheating to a temperature for quenching that is not lower than the A1 transformation temperature but lower than the carbonitriding temperature; and quenching |
| 04/23/2013 | US8424314 Intermetallic compounds, their use and a process for preparing the same |
| 04/18/2013 | WO2013055652A1 Method for inhibiting corrosion under insulation on the exterior of a structure |
| 04/18/2013 | WO2013053098A1 Delivery cylinder and preparation method thereof, and pumping equipment comprising same |
| 04/18/2013 | US20130092299 Heat treating apparatuses having a magnetic drive system and related methods |
| 04/18/2013 | DE102011116105A1 Method for varying quenching curve of metallic materials in quenching bath, involves changing atmospheric pressure over liquid quenching medium during quenching process |
| 04/18/2013 | DE102011016260A9 Vorrichtung und Verfahren zum Erwärmen von Metallbolzen Device and method for heating metal bolt |
| 04/17/2013 | EP2580360A1 Annealing installation with m-shaped strip treatment tunnel |
| 04/17/2013 | EP2580359A1 Method of producing an austenitic steel |
| 04/17/2013 | EP2580358A1 Method for producing a hot-formed and heat-treated steel component that is coated with a metal anti-corrosion coating from a sheet steel product |
| 04/17/2013 | EP2580357A1 A method for producing a tempered martensitic heat resistant steel for high temperature applications |
| 04/17/2013 | CN202885577U Energy-saving device of continuous annealing furnace |
| 04/17/2013 | CN202885511U Intelligent mesh belt heat treatment furnace |
| 04/17/2013 | CN202881344U Strip steel coil stacking frame of bell type annealing furnace |
| 04/17/2013 | CN202881338U Drawer-type heat-insulating and energy-saving annealing furnace |
| 04/17/2013 | CN202881336U Steel ball cyclic cooling device for fan |
| 04/17/2013 | CN202881333U Knitting needle salt bath tempering device |
| 04/17/2013 | CN202881331U Thermal treatment cooling device for seamless steel pipes |
| 04/17/2013 | CN202881328U Heat insulating structure at end of muffle tube |
| 04/17/2013 | CN202881327U Spray cooling quenching device of premixed steel rail |
| 04/17/2013 | CN202881326U Pool structure for improving quenching performance of steel casting |
| 04/17/2013 | CN202881325U Vertical high-frequency quenching machine |
| 04/17/2013 | CN202881324U Feeding device on horizontal quenching machine |
| 04/17/2013 | CN202881323U Thermal treatment equipment |
| 04/17/2013 | CN202881322U Continuous annealing cooling device for copper wires |
| 04/17/2013 | CN202881321U Annealing furnace for producing large seal heads |
| 04/17/2013 | CN202881320U Electromagnetic induction heating and annealing furnace |
| 04/17/2013 | CN202881319U Hung muffle tube for vertical bright annealing furnace |
| 04/17/2013 | CN202881318U Annealing furnace |
| 04/17/2013 | CN202881317U Product conveying device during quenching process on horizontal high-frequency quenching machine |
| 04/17/2013 | CN202881316U Gantry device of vertical high-frequency quenching machine |
| 04/17/2013 | CN202881315U Horizontal high-frequency quenching machine |
| 04/17/2013 | CN202881314U Online induction-heating shallow hardening device after processing external threads at tube end |
| 04/17/2013 | CN202881313U Mechanical stress applying device in metallographic specimen heat treatment |
| 04/17/2013 | CN202881312U Cable protection mechanism for feeding device of aluminum profile aging furnace |
| 04/17/2013 | CN202881311U Feeding device of aluminum profile ageing furnace |
| 04/17/2013 | CN202881310U Thermal treatment device for alloy material |
| 04/17/2013 | CN103045970A Extra-thick hydrogen present 15CrMoR steel plate and production method thereof |
| 04/17/2013 | CN103045966A High-quality and high-yield strength structural steel S620QL1 steel plate and production method thereof |
| 04/17/2013 | CN103045965A Technique for manufacturing steel plate for 600MPa hydropower steel penstock |
| 04/17/2013 | CN103045958A High-strength steel plate used at low temperature of subzero 50 DEG C and preparation method thereof |
| 04/17/2013 | CN103045950A Low-alloy, high-strength and high-toughness composite phase steel and heat treatment method thereof |
| 04/17/2013 | CN103045949A Large marine high strength corrosion-resistant stainless-steel exhaust valve seat with internal orifice diameter of larger than 220 mm |
| 04/17/2013 | CN103045947A Manufacturing method of high-strength and high-toughness gear steel |
| 04/17/2013 | CN103045933A Heat-resistant nodular cast iron and heat treatment method thereof |
| 04/17/2013 | CN103045846A Temperature control system for quenching furnace |
| 04/17/2013 | CN103045843A Superheated water pressure stabilizing system for continuous annealing furnace |
| 04/17/2013 | CN103045840A High-pressure crushing thermal processing method for steel ball special for bearing of 5MW (Megawatt) large wind turbine unit |
| 04/17/2013 | CN103045839A Quenching-tempering sensing rapid heating equipment and technology of heat treatment production line of bimetal strip sawblade |
| 04/17/2013 | CN103045834A Method for improving comprehensive properties of high-strength steel plate hot stamping part |
| 04/17/2013 | CN103045828A Method for realizing tensile elastic strain of film with surface relief of shape memory alloy |
| 04/17/2013 | CN103045825A Gear quenching device |
| 04/17/2013 | CN103045824A Quenching system and method for novel reverse aluminum extrusion press |
| 04/17/2013 | CN103045823A Air cooling device for quenching liquid |
| 04/17/2013 | CN103045822A Automatic oil supplementing control device of oil groove |
| 04/17/2013 | CN103045821A Charging platform for vertical vacuum furnace |
| 04/17/2013 | CN103045820A Control circuit of high-efficient induction heating quenching machine tool |
| 04/17/2013 | CN103045819A Vertical extrusion quenching machine tool |
| 04/17/2013 | CN103045818A Control device of high-frequency induction heating quenching machine tool |
| 04/17/2013 | CN103045817A Temperature control system for extrusion quenching machine tool |
| 04/17/2013 | CN103045816A Quenching and bluing solution and using method thereof |
| 04/17/2013 | CN103045815A Fuel gas heating control method |
| 04/17/2013 | CN103045814A Core annealing process of three-dimensional wound-core transformer |
| 04/17/2013 | CN103045813A Cooling device for gas shielded copper wire vacuum annealing furnace and cooling method |
| 04/17/2013 | CN103045812A Automatic high-frequency quenching device for double end faces of gear hub |
| 04/17/2013 | CN103045811A Barstock rotating induction quenching device |
| 04/17/2013 | CN103045810A Large-space hearth for heat-treatment vacuum furnace and temperature control method |
| 04/17/2013 | CN103045809A Aluminum alloy aging furnace with high thermal efficiency |
| 04/17/2013 | CN103045808A Continuous pushing plate heat treatment furnace burden tray |
| 04/17/2013 | CN102424910B Combustion nozzle for whole hydrogen bell-type annealing furnace, and waste hydrogen introduction and combustion method adopting the same |
| 04/17/2013 | CN102321794B Inner gear ring roller path intermediate frequency hardening mould |
| 04/17/2013 | CN102297585B Self-locking device for two chamber vacuum furnace |
| 04/17/2013 | CN102268522B Steel rail quenching electric induction heating coil follow-up apparatus |
| 04/17/2013 | CN102251084B Heat treatment process of steel forging for hydraulic cylinder of deep-sea oil recovery equipment |
| 04/17/2013 | CN102216475B Concrete slurry transporting pipe for concrete pump car |
| 04/17/2013 | CN102179060B Novel high-temperature gas oil remover |
| 04/17/2013 | CN102094153B Preparation method of high-strength high-toughness alloy steel for bolts |
| 04/17/2013 | CN101845541B Resistor heating gradient thermal treatment device for double alloy disc kind part |
| 04/16/2013 | US8420185 Method for forming metal film with twins |
| 04/11/2013 | WO2013050936A1 A process to improve fatigue strength of micro alloy steels, forged parts made from the process and an apparatus to execute the process |
| 04/11/2013 | WO2013000458A3 Method for producing press-hardened shaped components |
| 04/11/2013 | US20130087250 Steel for nitriding and nitrided part |
| 04/11/2013 | DE102011114992A1 Method for manufacturing semi-hardened structural steel structure used in motor car, involves heating coated circuit board above austenitizing temperature under steel material circuit board surface coating with anti-corrosive coating |
| 04/10/2013 | EP2578704A1 Method and system for carburizing or carbonitriding a component and correspondingly treated component |
| 04/10/2013 | EP2577201A2 Electric induction gas-sealed tunnel furnace |